I132313232233131333132223323132313231333131323223313233313221231   >>    I13231323223313133313222332313231323133313132322331323331322123   <<    I132313232233131333132223323132313231333131323223313233313221233   >>      I132313232233131333132223323132313231333131323223313233313221232   >>